Sintered ferrite magnet 1. with different size and shaped 2.dimension as your requirement The elements of Ferrite magnet are ferricoxide barium strontium.Ferrite has highter coercive force and highter resistance to bedemagnetized and oxidized than other non-rare earth permanent magnets.The biggest advantage of such magnet is their low cost.It is widely used from motors and loudspeakers to toys ...